cp's OEIS Frontend

This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.

A249297 Number of length 7+3 0..n arrays with no four consecutive terms having the sum of any three elements equal to three times the fourth.

Table of values

n a(n)
1 548
2 18232
3 237480
4 3164312
5 20626236
6 106687006
7 446465388
8 1564897170
9 4760601928
10 13086372374
11 32599885184
12 75623146588
13 164589989052
14 338640259244
15 663790705232
16 1250055198186
17 2264746878484
18 3971666747616

List of values

[548, 18232, 237480, 3164312, 20626236, 106687006, 446465388, 1564897170, 4760601928, 13086372374, 32599885184, 75623146588, 164589989052, 338640259244, 663790705232, 1250055198186, 2264746878484, 3971666747616]